Hiroshi Koinuma
7Patents
4h-index
9Co-inventors
46Inventor score
Filing activity: Sep 14, 1981 → Jan 22, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4431972A | Push-pull amplifier | Electricity | 11 | Expired |
| US5379454A | Station selection device in tuner for automatic selection according to input information | Electricity | 9 | Expired |
| US5023938A | Station selecting device in tuner for automatic selection according to input information | Electricity | 9 | Expired |
| US5897968A | Slide surface construction and process for producing the same | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6235413A | Slide surface construction and process for producing the same | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5123051A | Sound field reproducing apparatus | Electricity | 4 | Expired |
| US5301355A | Modulated signal transmitting apparatus | Electricity | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.